pyspark 读取csv文件创建DataFrame的两种方法

pyspark 读取csv文件创建DataFrame的两种方法

方法一：用pandas辅助

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from pyspark import SparkContext from pyspark.sql import SQLContext import pandas as pd sc = SparkContext() sqlContext=SQLContext(sc) df=pd.read_csv(r'game-clicks.csv') sdf=sqlc.createDataFrame(df)

方法二：纯spark

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from pyspark import SparkContext from pyspark.sql import SQLContext sc = SparkContext() sqlContext = SQLContext(sc) sqlContext.read.format('com.databricks.spark.csv').options(header='true', inferschema='true').